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6005-T6 Aluminum vs. 7020-T6 Aluminum

Both 6005-T6 aluminum and 7020-T6 aluminum are aluminum alloys. Both are furnished in the T6 temper. They have a moderately high 94% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 6005-T6 aluminum and the bottom bar is 7020-T6 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 95
100
Elastic (Young's, Tensile) Modulus, GPa 68
70
Elongation at Break, % 11
10
Fatigue Strength, MPa 95
130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 210
230
Tensile Strength: Ultimate (UTS), MPa 300
390
Tensile Strength: Yield (Proof), MPa 250
310

Thermal Properties

Latent Heat of Fusion, J/g 410
380
Maximum Temperature: Mechanical, °C 160
210
Melting Completion (Liquidus), °C 650
650
Melting Onset (Solidus), °C 610
610
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 190
150
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 54
39
Electrical Conductivity: Equal Weight (Specific), % IACS 180
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.9
Embodied Carbon, kg CO2/kg material 8.3
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30
37
Resilience: Unit (Modulus of Resilience), kJ/m3 450
690
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
47
Strength to Weight: Axial, points 31
37
Strength to Weight: Bending, points 37
41
Thermal Diffusivity, mm2/s 77
59
Thermal Shock Resistance, points 13
17

Alloy Composition

Aluminum (Al), % 97.5 to 99
91.2 to 94.8
Chromium (Cr), % 0 to 0.1
0.1 to 0.35
Copper (Cu), % 0 to 0.1
0 to 0.2
Iron (Fe), % 0 to 0.35
0 to 0.4
Magnesium (Mg), % 0.4 to 0.6
1.0 to 1.4
Manganese (Mn), % 0 to 0.1
0.050 to 0.5
Silicon (Si), % 0.6 to 0.9
0 to 0.35
Titanium (Ti), % 0 to 0.1
0 to 0.25
Zinc (Zn), % 0 to 0.1
4.0 to 5.0
Zirconium (Zr), % 0
0.080 to 0.25
Residuals, % 0
0 to 0.15